#pragma once
#include <iostream>
#include <pthread.h>

class Mutex
{
public:
    Mutex(pthread_mutex_t *lock_p = nullptr): _lock_p(lock_p) {}
    ~Mutex() {}
    void lock()
    {
        if(_lock_p) pthread_mutex_lock(_lock_p);
    }
    void unlock()
    {
        if(_lock_p) pthread_mutex_unlock(_lock_p);
    }
    
private:
    pthread_mutex_t *_lock_p;
};

class LockGuard
{
public:
    LockGuard(pthread_mutex_t *mutex): _mutex(mutex)
    {
        _mutex.lock(); //在构造函数中进行加锁
    }
    ~LockGuard()
    {
        _mutex.unlock(); //在析构函数中进行解锁
    }
private:
    Mutex _mutex;
};